adj. Not gregarious; solitary. Compare ungregarious.
the GNU version of the Collaborative International Dictionary of English
adj. Not growing or living in groups or colonies; -- of plants and animals.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of plants and animals; not growing or living in groups or colonies
Word Usage
"The Dallas Morning News emphasizes personality, celebrating a "gregarious lunch bucket Democrat" -- to distinguish him, evidently, from the nongregarious variety."